632998369 has 2 divisors, whose sum is σ = 632998370. Its totient is φ = 632998368.

The previous prime is 632998363. The next prime is 632998391. The reversal of 632998369 is 963899236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609843025 + 23155344 = 24695^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 632998369 - 2⁵ = 632998337 is a prime.

It is a super-2 number, since 2×632998369² = 801373870313320322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (632998363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316499184 + 316499185.

It is an arithmetic number, because the mean of its divisors is an integer number (316499185).

Almost surely, 2^632998369 is an apocalyptic number.

It is an amenable number.

632998369 is a deficient number, since it is larger than the sum of its proper divisors (1).

632998369 is an equidigital number, since it uses as much as digits as its factorization.

632998369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 55.

The square root of 632998369 is about 25159.4588375823. The cubic root of 632998369 is about 858.6197297426.

The spelling of 632998369 in words is "six hundred thirty-two million, nine hundred ninety-eight thousand, three hundred sixty-nine".